Iec - certificate details modification

Dear Team,

We got IEC (Import Export Code) certificate during 2003 and after that no imports we done from the begining. But, we are planning to import some itme in current year.

My doubt, whether IEC code get expire or we can use the same number now also.

one more, at time application for IEC code, we have given one bank number, but the said bank account now closed.

How can i update current bank details in IEC certifcate.

Please help...matter is little urgent.....

with regards,

Baskar.V